Home / 681,526.80-940,743.18-467,375.76

Finding the Fourth Proportional to 681,526.80, 940,743.18 and 467,375.76

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Solution

The fourth proportional to 681,526.80, 940,743.18 and 467,375.76 is: 645,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,526.80 : 940,743.18 = 467,375.76 : x
  2. Step 2: Convert to fraction form
    681,526.80/940,743.18 = 467,375.76/x
  3. Step 3: Cross multiply
    681,526.80x = 940,743.18 × 467,375.76
  4. Step 4: Simplify right side
    681,526.80x = 439,680,558,717.32
  5. Step 5: Solve for x
    x = 439,680,558,717.32/681,526.80
  6. Step 6: Final answer
    x = 645,140.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.